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1401243324 = 22313107127661
BaseRepresentation
bin101001110000101…
…0100011010111100
310121122200112110220
41103201110122330
510332204241244
6351013301340
746503241335
oct12341243274
93548615426
101401243324
11659a68938
12331334850
131943c5680
14d415728c
158303d319
hex538546bc

1401243324 has 96 divisors (see below), whose sum is σ = 3587383296. Its totient is φ = 423118080.

The previous prime is 1401243313. The next prime is 1401243341. The reversal of 1401243324 is 4233421041.

It is a junction number, because it is equal to n+sod(n) for n = 1401243294 and 1401243303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2119554 + ... + 2120214.

It is an arithmetic number, because the mean of its divisors is an integer number (37368576).

Almost surely, 21401243324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401243324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793691648).

1401243324 is an abundant number, since it is smaller than the sum of its proper divisors (2186139972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401243324 is a wasteful number, since it uses less digits than its factorization.

1401243324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1401243324 is about 37433.1847963809. The cubic root of 1401243324 is about 1119.0200090499.

Adding to 1401243324 its reverse (4233421041), we get a palindrome (5634664365).

The spelling of 1401243324 in words is "one billion, four hundred one million, two hundred forty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 107 127 156 214 254 321 381 428 508 642 661 762 1284 1322 1391 1524 1651 1983 2644 2782 3302 3966 4173 4953 5564 6604 7932 8346 8593 9906 13589 16692 17186 19812 25779 27178 34372 40767 51558 54356 70727 81534 83947 103116 141454 163068 167894 176657 212181 251841 282908 335788 353314 424362 503682 529971 706628 848724 919451 1007364 1059942 1091311 1838902 2119884 2182622 2758353 3273933 3677804 4365244 5516706 6547866 8982329 11033412 13095732 17964658 26946987 35929316 53893974 107787948 116770277 233540554 350310831 467081108 700621662 1401243324